Moleculin Biotech, Inc（MBRX）美股招股说明书 S-1（2026-07-30修订版）（英文版）（42页）.pdf

1、S-1/A 1 mbrx20260730_s1a.htm FORM S-1/A Table of ContentsAs filed with the U.S.Securities and Exchange Commission on July 30,2026.Registration No.333-297776 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549 AMENDMENT NO.1 TOFORM S-1REGISTRATION STATEMENTUNDERTHE SECURITIES ACT OF 1

2、933 Moleculin Biotech,Inc.(Exact name of registrant as specified in its charter)Delaware283447-4671997(State or other jurisdiction of(Primary Standard Industrial(I.R.S.Employerincorporation or organization)Classification Code Number)Identification Number)5300 Memorial Drive,Suite 950Houston,Texas 77

3、007(713)300-5160(Address,including zip code,and telephone number,including area code,of registrants principal executive offices)Walter V.Klemp,Chief Executive Officer and Chairman5300 Memorial Drive,Suite 950Houston,Texas 77007(713)300-5160(Name,address,including zip code,and telephone number,includ

4、ing area code,of agent for service)Copies to:Cavas S.PavriJohnathan C.DuncanArentFox Schiff LLP1717 K Street NWWashington,DC 20006Telephone:(202)857-6000Fax:(202)857-6395Charles Phillips,Esq.Ellenoff Grossman&Schole LLP1345 Avenue of the Americas,11th FloorNew York,New York 10105Phone:(212)370-1300

5、Fax:(212)370-7889 2026/7/31 09:40mbrx20260730_s1a.htmhttps:/www.sec.gov/Archives/edgar/data/1659617/000143774926025100/mbrx20260730_s1a.htm1/42Table of Contents Approximate date of commencement of proposed sale to the public:As soon as practicable after the effective dateof this Registration Stateme

6、nt.If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant toRule 415 under the Securities Act of 1933,check the following box.If this Form is filed to register additional securities for an offering pursuant to Rule 462(b)under the Securitie